Cisco readying 320Mbps cable modem with VoIP 01-13-2009 Network hardware producer Cisco hopes to up-end the home Internet business with word that the company is developing a 320Mbps cable modem. The DPC3212 is one of the first cable modems using the DOCSIS 3.0 standard to crack the 300Mbps mark and does so through a new Broadcom chip that bonds eight cable channels together instead of four to reach the peak speed....